You're talking about Usury.

It might go away since a btc hypercol'd Economy would be deflationary and future money would worth more than present-day money so people wouldn't be as willing to lend money because the incentives are not there.

But, at the same time people will always need capital for enterprises and crops. There will always be a need for future money been spend at present-day.

Tl;dr Usury may disappear, but probably won't